1. Tumor necrosis factor as an antineoplastic agent: pitfalls and promises

   • H. Mueller

   Pages: 1291 - 1298

2. Visual pigment: G-protein-coupled receptor for light signals

   • Y. Shichida
   • H. Imai

   Pages: 1299 - 1315

3. Growth hormone-releasing peptide (GHRP)

   • C. Y. Bowers

   Pages: 1316 - 1329

4. Structure, function and metabolism of sialic acids

   • C. Traving
   • R. Schauer

   Pages: 1330 - 1349

5. Diversity of prokaryotic chromosomal proteins and the origin of the nucleosome

   • K. Sandman
   • S. L. Pereira
   • J. N. Reeve

   Pages: 1350 - 1364

6. Identifying the conformational state of bi-liganded haemoglobin

   • M. C. Marden
   • L. Kiger
   • S. J. Edelstein

   Pages: 1365 - 1384

7. Molecular mechanisms of poliovirus persistence: key role of capsid determinants during the establishment phase

   • I. Pelletier
   • G. Duncan
   • F. Colbère-Garapin

   Pages: 1385 - 1402

8. Strategies for cloning unknown cellular flanking DNA sequences from foreign integrants

   • E. K.-W. Hui
   • P.-C. Wang
   • S. J. Lo

   Pages: 1403 - 1411

9. Announcements

   Pages: 1412 - 1414